Whirlwind Valley Sw, Utah - 7.5 Minute Series Topo Map Lake bonneville WRB-7 Geology and ground-water resources

WRB-7 Geology and ground-water resources of the Jordan Valley

With clear explanations

As urbanization expands into areas less suited for development

During late Cenozoic basin-and-range extension

This color map covers the Saratoga Springs quadrangle

Whirlwind Valley Sw, Utah - 7.5 Minute Series Topo Map Lake bonneville WRB-7 Geology and ground-water resourcesThe distinctive characteristic of a topographic map is that the shape of the Earth's surface is shown by contour lines. Contours are imaginary lines that join points of equal elevation on the surface of the land above or below a reference surface, such as mean sea level. Contours make it possible to measure the height of mountains, depths of the ocean bottom, and steepness of slopes. A topographic map shows more than contours. The map also includes